Pentachloro-lambda5-stibane

Pentachloro-lambda5-stibane is an inorganic antimony compound with the chemical formula Cl5Sb and CAS number 7647-18-9. This substance has a molecular weight of 299 g/mol and belongs to the family of antimony halides. It is classified as a corrosive substance with environmental hazard properties, requiring careful handling and storage. The compound exhibits typical characteristics of antimony pentahalides and is used in specialized industrial applications where antimony chemistry is required.

Pentachloro-lambda5-stibane is an antimony pentachloride compound that typically appears as a yellowish or colorless liquid at room temperature. The substance has a molecular weight of 299 g/mol and tends to be highly reactive with moisture, producing corrosive hydrogen chloride vapors. It exhibits high solubility in polar organic solvents and reacts vigorously with water. The compound has a characteristic pungent odor and demonstrates typical Lewis acid behavior due to the antimony center.

Pentachloro-lambda5-stibane is primarily used as a catalyst and reagent in organic synthesis reactions, particularly in polymerization processes and as a Lewis acid catalyst. It serves as an intermediate in the production of other antimony compounds and specialty chemicals. The substance finds applications in the electronics industry for semiconductor processing and in certain pharmaceutical synthesis routes. Its strong Lewis acid properties make it valuable for specific chemical transformations requiring antimony-based catalysis.

Pentachloro-lambda5-stibane requires strict safety measures due to its corrosive nature (Skin Corr. 1B classification). Personnel must wear full chemical-resistant PPE including acid-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation of vapors. Avoid contact with skin, eyes, and clothing. Keep away from moisture and incompatible materials. Emergency eyewash stations and safety showers should be readily accessible when handling this substance.

Pentachloro-lambda5-stibane must be stored in tightly sealed, corrosion-resistant containers in a cool, dry, well-ventilated area away from moisture and heat sources. The storage area should be equipped with appropriate containment measures and kept separate from incompatible materials such as water, alcohols, and reducing agents. Containers should be clearly labeled and stored in secondary containment systems to prevent environmental release. Regular inspection of containers for signs of corrosion or leakage is essential for safe storage.

Immediate action is required due to the corrosive nature of pentachloro-lambda5-stibane. For skin contact, immediately remove contaminated clothing and flush the affected area with copious amounts of water for at least 15 minutes. In case of eye contact, rinse thoroughly with water for at least 15 minutes while holding eyelids open. If inhaled, move the person to fresh air immediately. Seek immediate medical attention in all cases of exposure. Do not induce vomiting if ingested and provide supportive care until medical help arrives.

Pentachloro-lambda5-stibane must be disposed of as hazardous waste through licensed waste management companies in accordance with local and European regulations. The substance cannot be discharged to sewers, soil, or water bodies due to its corrosive and environmentally hazardous properties. Neutralization should only be performed by qualified personnel using appropriate containment and safety measures. Empty containers may also require special handling and disposal as they may retain hazardous residues. Always consult local environmental authorities for specific disposal requirements.

Pentachloro-lambda5-stibane is classified as ADR Class 8 (corrosive substances) Packing Group II, requiring specialized transport procedures. The substance must be packaged in UN-approved containers designed for corrosive liquids and properly labeled with appropriate hazard placards. Transport vehicles must carry emergency response information and appropriate neutralizing agents. Only certified carriers experienced in handling corrosive chemicals should transport this substance. All transport documentation must comply with ADR regulations and include proper shipping names and hazard classifications.

Pentachloro-lambda5-stibane is subject to REACH regulation requiring registration for import/manufacture above 1 ton per year in the EU. Under CLP regulation, it must be classified and labeled as Skin Corr. 1B and Aquatic Chronic 2 with appropriate hazard pictogrammes (GHS05, GHS09). The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must comply with occupational exposure limits, environmental discharge restrictions, and maintain safety data sheets. Industrial users may need to implement risk management measures and conduct chemical safety assessments.

Pentachloro-lambda5-stibane is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across the continent. OYSI provides this specialized antimony compound with full regulatory compliance including proper documentation, safety data sheets, and transport arrangements. As an established chemical distributor, OYSI ensures product quality and regulatory compliance for professional users requiring this specialized substance. Contact OYSI directly for availability, technical specifications, and delivery options tailored to your specific industrial requirements.